ATMEGA48-20AUR Atmel, ATMEGA48-20AUR Datasheet - Page 19
![IC AVR MCU 4K 20MHZ 32TQFP](/photos/6/91/69154/313-32-tqfp_sml.jpg)
ATMEGA48-20AUR
Manufacturer Part Number
ATMEGA48-20AUR
Description
IC AVR MCU 4K 20MHZ 32TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA48-20AU.pdf
(35 pages)
Specifications of ATMEGA48-20AUR
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
23
Program Memory Size
4KB (2K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Processor Series
ATMEGA4x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
SPI, UART, I2C
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
23
Operating Supply Voltage
2.7 V to 5.5 V
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
Operating Temperature Range
- 40 C to + 85 C
Processor To Be Evaluated
ATMEGA48A
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
7.2
2545SS–AVR–07/10
28M1
Note:
0.4 Ref
(4x)
Package Drawing Contact:
packagedrawings@atmel.com
b
2
3
1
K
The terminal #1 ID is a Laser-marked Feature.
BOTTOM VIEW
Pin 1 ID
TOP VIEW
D2
D
R 0.20
TITLE
28M1, 28-pad, 4 x 4 x 1.0 mm Body, Lead Pitch 0.45 mm,
2.4 x 2.4 mm Exposed Pad, Thermally Enhanced
Plastic Very Thin Quad Flat No Lead Package (VQFN)
e
1
2
3
0.45
E2
E
L
A
SYMBOL
A
A1
b
C
D
D2
E
E2
e
L
y
K
GPC
ATmega48/88/168
COMMON DIMENSIONS
0.80
0.00
0.17
3.95
2.35
3.95
2.35
0.35
0.00
0.20
MIN
(Unit of Measure = mm)
SIDE VIEW
C
A1
ZBV
y
0.20 REF
NOM
0.90
0.02
0.22
4.00
2.40
4.00
2.40
0.45
0.40
–
–
DRAWING NO.
28M1
MAX
1.00
0.05
0.27
4.05
2.45
4.05
2.45
0.45
0.08
–
10/24/08
NOTE
REV.
B
19